kirang89

import sys
import __builtin__
 
real_import = __builtin__.__import__

def debug_import(name, locals=None, globals=None, fromlist=None, level=-1):
    glob = globals or sys._getframe(1).f_globals
    importer_name = glob and glob.get('__name__') or 'unknown'
    print '%s imports %s' % (importer_name, name)
    return real_import(name, locals, globals, fromlist, level)

kirang89

l = [1, 2, 3, 4, 5, 6]

(a, b), c = l[:2], l[2:]

print a  #1
print b  #2
print c  #[3, 4, 5, 6]

kirang89

import os, re

pattern = ''.join([os.path.sep, os.path.altsep or ''])

split = re.compile(r'[\0%s]' % re.escape(pattern))

def secure_filename(path):
    return split.sub('', path)

kirang89

no_targets__:
list:
         @grep '^[^#[:space:]].*:' Makefile | grep -Ev 'no_targets__:|list:'

kirang89

.PHONY: tests

all: venv install

bootstrap:

	echo "Installing Pip"
	sudo apt-get install python-pip
	echo "Installing virtualenv"
	sudo pip install virtualenv

kirang89

The Case For Go

• Iron.io: How We Went from 30 Servers to 2 with Go
• Go at Google: Language Design in the Service of Software Engineering
• Behind the Scenes: Big Data at Torbit
• pool.ntp.org DNS server in Go
• Juju at Canonical
• Go at bitly
• NSQ: realtime distributed message processing at scale

kirang89

//Array enumerator in Go. Can also be used with map type.

import "fmt"

var items = []int{1, 2, 3, 4, 5, 6}

func main(){
    for i, v := range items {
       fmt.Println(i, v)
    }    

kirang89

ZSHRC='~/.zshrc'

read -p "Enter golang version to download and install: " gover
read -p "32-bit ? [yn] " type
case $type in
    [Yy]* ) arch='386'
            ;;
    [Nn]* ) arch='amd64'
            ;;
        * ) echo "Invalid architecture"

kirang89

print cmp("a", u"a")
#0

print cmp((1,), 'a')        
#1

print cmp((1,), u'a')
#-1

print sorted(["a", (1, 3, 2), None, u'a'])

kirang89

class Foo(object):
    def __init__(self):
        self._username = 'Kiran'

    def _get_username(self):
        return self._username

    def _set_username(self, value):
        self._username = value